payoffs.java

swarm的例子,包換對java,xml,servlet等的介紹

public class Payoffs {
    public static final int COOPERATE = 1;
    public static final int DEFECT = 0;
    private int[][] payoffs = {{Integer.MIN_VALUE,Integer.MIN_VALUE},
                         {Integer.MIN_VALUE,Integer.MIN_VALUE}};

    public Payoffs() {
        payoffs[COOPERATE][COOPERATE] = 3;
        payoffs[COOPERATE][DEFECT] = 0;
        payoffs[DEFECT][COOPERATE] = 5;
        payoffs[DEFECT][DEFECT] = 1;
    }

    public int evaluate(int player1, int player2) {
        return payoffs[player1][player2];
    }
}